diff options
Diffstat (limited to 'drivers/iommu/arm/arm-smmu/arm-smmu.c')
| -rw-r--r-- | drivers/iommu/arm/arm-smmu/arm-smmu.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 8321962b3714..12b173eec454 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -1558,21 +1558,6 @@ static struct iommu_group *arm_smmu_device_group(struct device *dev) return group; } -static int arm_smmu_enable_nesting(struct iommu_domain *domain) -{ - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); - int ret = 0; - - mutex_lock(&smmu_domain->init_mutex); - if (smmu_domain->smmu) - ret = -EPERM; - else - smmu_domain->stage = ARM_SMMU_DOMAIN_NESTED; - mutex_unlock(&smmu_domain->init_mutex); - - return ret; -} - static int arm_smmu_set_pgtable_quirks(struct iommu_domain *domain, unsigned long quirks) { @@ -1656,7 +1641,6 @@ static struct iommu_ops arm_smmu_ops = { .flush_iotlb_all = arm_smmu_flush_iotlb_all, .iotlb_sync = arm_smmu_iotlb_sync, .iova_to_phys = arm_smmu_iova_to_phys, - .enable_nesting = arm_smmu_enable_nesting, .set_pgtable_quirks = arm_smmu_set_pgtable_quirks, .free = arm_smmu_domain_free, } |